react路由

主页，登陆，注册

return (

         <Router>

            <Switch>
                
                <Route exact path='/' component={AA} />

                <Route path='/login' component={BB} />

                <Route path='/register' component={CC} />

                <Redirect to='/login'/>

            </Switch>

         </Router>
    );

react router 基础组件

// Routers
<BrowserRouter> and <HashRouter>

// Route Matching
<Route> and <Switch>

component  render  children

// Navigation
<Link> and <NavLink>

• 参考

react router https://reacttraining.com/react-router/web/guides/basic-components